User Account Control must prompt administrators for consent on the secure desktop.

STIG ID: WN11-SO-000250  |  SRG: SRG-OS-000134-GPOS-00068 |  Severity: medium |  CCI: CCI-001084 |  Vulnerability Id: V-253469 | 

Vulnerability Discussion

User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting configures the elevation requirements for logged on administrators to complete a task that requires raised privileges.

Check

If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\

Value Name: ConsentPromptBehaviorAdmin

Value Type: REG_DWORD
Value: 2 (Prompt for consent on the secure desktop)

Fix

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "User Account Control: Behavior of the elevation prompt for administrators in Admin Approval Mode" to "Prompt for consent on the secure desktop".
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